Most commonly used rubber vulcanising agent is___________________?
Most commonly used rubber vulcanising agent is___________________?
A. Sulphur
B. Bromine
C. Platinum
D. Alumina
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Epoxy resin__________________?
Epoxy resin__________________?A. Is a good adhesive
B. Is an elastomer
C. Cannot be used for surface coatings
D. Is a polyesterFusion of limestone and ______________ produces high alumina cement?
Fusion of limestone and ______________ produces high alumina cement?A. Sand
B. Bauxite
C. Quicklime
D. CalciteChemical name of Grignard reagent is
Question: Chemical name of Grignard reagent is
[A].sodium thiosulphate. [B].
ethyl magnesium chloride. [C].
sodium sulphite. [D].
sodium bicarbonate. Answer: Option B
Explanation:
No answer description available for this question.
The function of gypsum addition during cement making is to_________________?
The function of gypsum addition during cement making is to_________________?A. Increase the density of cement
B. Decrease the cement setting rate
C. Both A. and B.
D. Neither A. nor B.Catalyst used in the hydrogenation of oil is_________________?
Catalyst used in the hydrogenation of oil is_________________?A. Nickel
B. Platinum
C. Iron
D. AluminaWhich is the main reducing agent during production of iron from iron ore in a blast furnace ?
Which is the main reducing agent during production of iron from iron ore in a blast furnace ?A. C
B. CO
C. CO2
D. H2